On Wed, Jan 25, 2012 at 8:16 AM, Fujii Masao <masao.fu...@gmail.com> wrote:
>> What happens if we shutdown the WALwriter and then issue SIGHUP? > > SIGHUP doesn't affect full_page_writes in that case. Oh, you are concerned > about > the case where smart shutdown kills walwriter but some backends are > still running? > Currently SIGHUP affects full_page_writes and running backends use the changed > new value of full_page_writes. But in the patch, SIGHUP doesn't affect... > > To address the problem, we should either postpone the shutdown of walwriter > until all backends have gone away, or leave the update of full_page_writes to > checkpointer process instead of walwriter. Thought? checkpointer seems the correct place to me -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
